Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Bleeding Brake System
WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
While bleeding, monitor the master cylinder brake fluid level.
- Turn ignition switch OFF and disconnect battery negative cable.
- Connect a vinyl tube to the rear right bleed valve.
- Fully depress brake pedal 4 to 5 times.
- With brake pedal depressed, loosen bleed valve to let the air out, and then tighten it immediately.
- Repeat steps 3 and 4 until no more air comes out.
- Tighten bleed valve to the specified torque. Refer to "COMPONENTS " (front disc brake), "COMPONENTS " (rear disc brake).
- Perform steps 2 to 6 at each wheel, with master cylinder reservoir tank filled at least half way, bleed air from the front left, rear left, and front right bleed valve, in that order.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.